//package com.example.demo.service;
//
//import com.example.demo.entity.User;
////import org.springframework.data.domain.Page;
//
//import java.util.List;
//
//public interface UserService {
////    Long save(User user);
////
////    User getById(Long id);
////
////    void deleteById(Long id);
////
////    List<User> getAll();
////
////    List<User> getListByName(String name);
////
////    List<User> getListByNameAndAge(String name, Integer age);
////
////    List<User> getListOrderByAgeDesc();
////
////    Page<User> getPage(int pageNum, int pageSize);
//}
